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Re: [Rdo-list] SR-IOV on openstack: no valid host is found



Hi, 

Anyone interested, I got it working using this procedure:

http://docs-draft.openstack.org/85/213985/10/check/gate-openstack-manuals-tox-doc-publish-checkbuild/1381a5e//publish-docs/networking-guide/adv_config_sriov.html


I'm using RDO/Juno Centos 7.1

My conf:

Controller/Network Node:

/etc/neutron/plugins/ml2/ml2_conf.ini

type_drivers = vlan
tenant_network_types = vlan
mechanism_drivers =openvswitch,sriovnicswitch

[ml2_type_vlan]
network_vlan_ranges =int-vlan:1440:1449

[securitygroup]
enable_security_group = True
firewall_driver = neutron.agent.firewall.NoopFirewallDriver

/etc/neutron/plugins/ml2/ml2_conf_sriov.ini

[ml2_sriov]
supported_pci_vendor_devs = 14e4:16af
agent_required = True

[sriov_nic]
physical_device_mappings = int-vlan:p2p1


/etc/nova/nova.conf
[Default]
scheduler_default_filters=RetryFilter,AvailabilityZoneFilter,RamFilter,ComputeFilter,ComputeCapabilitiesFilter,ImagePropertiesFilter,ServerGroupAntiAffinityFilter,ServerGroupAffinityFilter,PciPassthroughFilter
scheduler_available_filters = nova.scheduler.filters.all_filters
scheduler_available_filters = nova.scheduler.filters.pci_passthrough_filter.PciPassthroughFilter

/usr/lib/systemd/system/neutron-server.service

ExecStart=/usr/bin/neutron-server --config-file /usr/share/neutron/neutron-dist.conf --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugin.ini --config-file /etc/neutron/plugins/ml2/ml2_conf_sriov.ini --log-file /var/log/neutron/server.log





Compute Node:

I had to install ml2 plugin and sr-iov agent. Note, in the compute node using rdo packstack the ml2 plugin is not installed by default.

# yum install openstack-neutron-ml2 openstack-neutron-sriov-nic-agent

/etc/neutron/plugins/ml2/ml2_conf.ini

[securitygroup]
# Controls if neutron security group is enabled or not.
# It should be false when you use nova security group.
# enable_security_group = True
enable_security_group = True
firewall_driver = neutron.agent.firewall.NoopFirewallDriver

/etc/neutron/plugins/ml2/ml2_conf_sriov.ini
[securitygroup]
firewall_driver = neutron.agent.firewall.NoopFirewallDriver

[sriov_nic]
physical_device_mappings = int-vlan:p2p1


/usr/lib/systemd/system/neutron-sriov-nic-agent.service
ExecStart=/usr/bin/neutron-sriov-nic-agent --config-file /usr/share/neutron/neutron-dist.conf --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugins/ml2/ml2_conf_sriov.ini --log-file /var/log/neutron/sriov-nic-agent.log


Regards,
Pedro Sousa





On Tue, Aug 25, 2015 at 11:04 AM, Joe Talerico <jtaleric redhat com> wrote:


On Monday, August 17, 2015, שחם פרידנברג <shahamf gmail com> wrote:
Hey all,

I deployed openstack on DELL PowerEdge R620 installed with Centos 7.

SR-IOV is enabled in BIOS (both Virtualization Technology & SR-IOV).

Also, I added the needed kernel parameters and created virtual functions on 82599 Intel 10G NIC.

in nova.conf:

1. pci_passthrough_whitelist={"devname":"p2p1","physical_network":"sriovnet"}
2. scheduler_default_filters=RetryFilter,AvailabilityZoneFilter,RamFilter,ComputeFilter,ComputeCapabilitiesFilter,
  ImagePropertiesFilter,CoreFilter,PciPassthroughFilter


Where did you supply the whitelist?

Also, after making the whitelist change did you check the nova-compute.log? It typically reports the PCI devices that can be used for instances. 

Joe

 
in ml2_conf.ini:

1. type_drivers = vxlan,vlan
2. mechanism_drivers =openvswitch,sriovnicswitch
3. network_vlan_ranges = sriovnet:80:90
in ml2_conf_sriov.ini:

1. supported_pci_vendor_devs = 8086:10ed
2. agent_required = False
in neutron-server.service:

1. ExecStart=/usr/bin/neutron-server --config-file /usr/share/neutron/neutron-dist.conf --config-dir /usr/share/neutron/server 
  --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugin.ini 
  --config-file /etc/neutron/plugins/ml2/ml2_conf_sriov.ini --config-dir /etc/neutron/conf.d/neutron-server 
  --log-file /var/log/neutron/server.log
  
created Network based on physical network I defined (sriovnet), configured subnet and created direct type port.

When I creating an image (nova boot --flavor m1.large --image my_img --nic port-id=087ff574-fb14-47fd-82cb-454f176154ff test_sriov)   

I get the following error:

Traceback (most recent call last):

  File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/server.py", line 142, in inner
    return func(*args, **kwargs)

  File "/usr/lib/python2.7/site-packages/nova/scheduler/manager.py", line 86, in select_destinations
    filter_properties)

  File "/usr/lib/python2.7/site-packages/nova/scheduler/filter_scheduler.py", line 80, in select_destinations
    raise exception.NoValidHost(reason=reason)

NoValidHost: No valid host was found. There are not enough hosts available.

2015-08-18 04:28:22.886 17998 WARNING nova.scheduler.utils [req-5804960b-4614-4d0e-9a3d-a94964cf93f8 caf2b9813205455896e60c6d00c92b4d 4bd6b22041ef4123958a0f85c775b770 - - -] [instance: 470e16f9-002f-4ae4-82f4-17a83a93d860] Setting instance to ERROR state.

Any idea what might be the problem here?

Thanks,
Shaham

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